Home / 154,555,444.80-231,833,167.20-142,876,929.60

Finding the Fourth Proportional to 154,555,444.80, 231,833,167.20 and 142,876,929.60

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Solution

The fourth proportional to 154,555,444.80, 231,833,167.20 and 142,876,929.60 is: 214,315,394.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,555,444.80 : 231,833,167.20 = 142,876,929.60 : x
  2. Step 2: Convert to fraction form
    154,555,444.80/231,833,167.20 = 142,876,929.60/x
  3. Step 3: Cross multiply
    154,555,444.80x = 231,833,167.20 × 142,876,929.60
  4. Step 4: Simplify right side
    154,555,444.80x = 33,123,611,108,979,428
  5. Step 5: Solve for x
    x = 33,123,611,108,979,428/154,555,444.80
  6. Step 6: Final answer
    x = 214,315,394.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.